87295619 has 2 divisors, whose sum is σ = 87295620. Its totient is φ = 87295618.

The previous prime is 87295583. The next prime is 87295631. The reversal of 87295619 is 91659278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87295619 - 2⁸ = 87295363 is a prime.

It is a super-2 number, since 2×87295619² = 15241050193186322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87295679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43647809 + 43647810.

It is an arithmetic number, because the mean of its divisors is an integer number (43647810).

Almost surely, 2^87295619 is an apocalyptic number.

87295619 is a deficient number, since it is larger than the sum of its proper divisors (1).

87295619 is an equidigital number, since it uses as much as digits as its factorization.

87295619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 87295619 is about 9343.2124561095. The cubic root of 87295619 is about 443.6060729028.

The spelling of 87295619 in words is "eighty-seven million, two hundred ninety-five thousand, six hundred nineteen".